... Description Firstly thanks to attention to our company and our refractory materials. We are in position to supply various kinds of ... , such as high alumina brick, fireclay firebricks, silicon firebricks and insulation bricks, etc with the catalogue as follows: 1. Silicon firebricks for ... cement kiln, EAF, blast furnace and hot blast furnace.4. Insulation bricks of JM23-JM28 and B-1-B-5, widely used ...